package org.example;

import org.example.entity.Clazz;
import org.example.entity.Student;

import java.util.Arrays;

public class Main {
    public static void main(String[] args) {

        int[] arr={1,2,3,4,5,6,7,8,9,10};

        Clazz clazz=new Clazz();
        String s="hello world";



        System.out.println("Hello world!");
    }
}